# Sennheiser HD 450BT
See [usage instructions](https://github.com/jaakkopasanen/AutoEq#usage) for more options and info.

### Parametric EQs
You can use filters 1-5 or 1-10. Apply preamp of -6.5 dB or -6.5 dB, respectively.

|   # | Type      |   Fc (Hz) |    Q |   Gain (dB) |
|-----|-----------|-----------|------|-------------|
|   1 | LowShelf  |       105 | 0.7  |        -2.7 |
|   2 | Peaking   |       151 | 1.14 |        -3   |
|   3 | Peaking   |      2416 | 0.56 |        -4.2 |
|   4 | Peaking   |      3855 | 1.65 |         8.3 |
|   5 | Peaking   |      6571 | 1.15 |         3.5 |
|   6 | Peaking   |        41 | 1.76 |        -0.2 |
|   7 | Peaking   |       375 | 2.8  |         0.9 |
|   8 | Peaking   |       654 | 2.31 |        -0.6 |
|   9 | Peaking   |      8217 | 4.26 |        -2.8 |
|  10 | HighShelf |     10000 | 0.7  |         5.6 |

### Fixed Band EQs
When using fixed band (also called graphic) equalizer, apply preamp of **-11.1 dB** (if available) and set gains manually with these parameters.

|   # | Type    |   Fc (Hz) |    Q |   Gain (dB) |
|-----|---------|-----------|------|-------------|
|   1 | Peaking |        31 | 1.41 |        -3.1 |
|   2 | Peaking |        62 | 1.41 |        -1.9 |
|   3 | Peaking |       125 | 1.41 |        -3.3 |
|   4 | Peaking |       250 | 1.41 |        -0.9 |
|   5 | Peaking |       500 | 1.41 |         0.1 |
|   6 | Peaking |      1000 | 1.41 |        -1.4 |
|   7 | Peaking |      2000 | 1.41 |        -3.8 |
|   8 | Peaking |      4000 | 1.41 |         6.3 |
|   9 | Peaking |      8000 | 1.41 |         1.5 |
|  10 | Peaking |     16000 | 1.41 |        10.9 |

### Graphs
![](./Sennheiser%20HD%20450BT.png)
